The Worsted Witch » Lawn of the Dead: A recent study found dozens of medicinal, industrial, and household compounds—also known as biosolids—in the treated sewage sludge that government agencies try to palm off to the unsuspecting as “lawn-and-garden enhancements.”

To enhance C sequestration, coal combustion by-products can be applied in conjunction with organic amendments like mulch from biomass, agricultural residues, and process waste materials, such as biosolids, pulp and sludge from paper production.